African Milk Bush

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Synadenium umbellatum var. puberulum
• Synadenium grantii
• Synadenium umbellatum

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified within the phylum Streptophyta and the class Equisetopsida. Under the subclass Magnoliidae, it is further organized into the order Malpighiales and the family Euphorbiaceae. Finally, its specific taxonomic identity is defined by the genus Euphorbia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse geographical range across several key regions of the African continent. In West-Central Tropical Africa, it can be found specifically within Burundi, Rwanda, and the Democratic Republic of the Congo. Its distribution extends into Northeast Tropical Africa, where it inhabits the areas of Sudan and South Sudan. Furthermore, the species is present in East Tropical Africa, notably within the borders of Kenya. Collectively, these locations highlight the plant's presence across various tropical landscapes.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Euphorbia umbellata is characterized by its classification as a perennial species, allowing it to persist through multiple growing seasons. Structurally, the plant exhibits complex life forms, functioning as a phanerophyte with significant stem development, yet it also displays characteristics of a nanophanerophyte, indicating a compact growth habit where the conductive tissues are located close to the ground. Throughout its existence, the plant maintains an evergreen deciduousness, ensuring that its foliage remains present and functional across different seasonal cycles rather than shedding leaves annually.

Deciduousness :

evergreen

Life form :

nanophanerophyte

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Euphorbia umbellata is characterized by a woody growth form, specifically manifesting as a shrub. This plant reaches an average height of approximately 3 meters and functions as a self-supporting organism, rather than acting as a climber or a vine. It is a strictly terrestrial species, neither aquatic nor epiphytic, and grows as an independent plant without any parasitic dependency on other organisms.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

shrub

Parasite :

independent

Plant height mean:

3 m

Woodiness :

woody

Physiology

The physiology of Euphorbia umbellata is characterized by specialized metabolic adaptations that allow it to thrive in arid and semi-arid environments. As a succulent member of the Euphorbiaceae family, its physiological processes are centered around water conservation and efficient photosynthetic pathways, typically utilizing Crassulacean Acid Metabolism (CAM) to minimize transpirational water loss by fixing carbon dioxide at night. The plant exhibits robust drought-avoidance mechanisms, including the ability to regulate stomatal conductance and maintain cellular turgor through the accumulation of osmotic solutes within its succulent tissues. Regarding its nutrient acquisition and symbiotic relationships, Euphorbia umbellata is not a nitrogen fixer; it lacks the specialized root nodules or symbiotic associations with diazotrophic bacteria required to convert atmospheric nitrogen into bioavailable forms, meaning it relies entirely on the nitrogen present in the soil substrate for its physiological development.

Nitrogen fixer :

no

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Euphorbia umbellata has 1 reported plant parts identified across 2 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include stem.

Stem

1. Inflammopharmacology
2. Journal of ethnopharmacology

Chemicals

Euphorbia umbellata has 4 reported phytochemicals identified across 2 scientific publications and several other databases. The most consistently reported chemicals include Euphol, LL, Terpenes, flavonols.

Euphol

1. Phytomedicine : international journal of phytotherapy and phytopharmacology

LL

1. Fitoterapia

Terpenes

1. Phytomedicine : international journal of phytotherapy and phytopharmacology

flavonols

1. Journal of ethnopharmacology

Activities

Euphorbia umbellata has 3 reported activities identified across 2 scientific publications and several other databases. The most consistently reported activities include Analgesic, Antibacterial, Antioxidant.

Analgesic

1. Journal of ethnopharmacology

Antibacterial

1. Journal of ethnopharmacology

Antioxidant

1. Journal of ethnopharmacology

Conditions

Euphorbia umbellata has 2 reported investigations on conditions identified across 2 scientific publications and several other databases. The most consistently reported conditions include cancer, melanoma.

Cancer

1. Fitoterapia
2. Phytomedicine : international journal of phytotherapy and phytopharmacology

Melanoma

1. Fitoterapia

Preparations

Euphorbia umbellata has 3 reported preparations identified across 2 scientific publications and several other databases. The most consistently reported preparations include latex extracts, methanol extract, sap.

Latex extracts

1. Planta medica

Methanol extract

1. Journal of ethnopharmacology

Sap

1. Phytomedicine : international journal of phytotherapy and phytopharmacology